What is serum?   from Biology Body Fluids and Circulations

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 Multiple Choice QuestionsShort Answer Type

51.

How much time auricular systole, ventricular systole and joint diastole persist separately?

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52.

How much time auricular diastole persists?

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 Multiple Choice QuestionsOne Word Answers

53.

How much time ventricular diastole persists?

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 Multiple Choice QuestionsShort Answer Type

54.

Why S.A. node is called pacemaker of heart?

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55.

 What is serum?

 


Serum consists of plasma from which fibrinogens have been removed. It contains antibodies to counter act the effect to toxic substances of micro-organisms. It is the plasma without the clotting factors.

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56.

What is the role of valves?

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57.

Why are walls of auricles thinner than walls of ventricles?

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58.

Which is the largest artery?

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59.

Name the layers of the heart ?

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60.

What is pericardium?

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